Hydrazine → N-((1S)-2-amino-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-2-chloro-1-methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxamide

HRID 1967120ノート

反応式

HRID 1967120 の反応式
[Cl:1][C:2]1[N:3]([CH3:40])[C:4]([C:34]2[N:38]([CH3:39])[N:37]=[CH:36][CH:35]=2)=[CH:5][C:6]=1[C:7]([NH:9][C@@H:10]([CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=1[C:30]([F:33])([F:32])[F:31])[CH2:11][N:12]1C(=O)C2C(=CC=CC=2)C1=O)=[O:8].NN>O1CCCC1.CO>[NH2:12][CH2:11][C@@H:10]([NH:9][C:7]([C:6]1[CH:5]=[C:4]([C:34]2[N:38]([CH3:39])[N:37]=[CH:36][CH:35]=2)[N:3]([CH3:40])[C:2]=1[Cl:1])=[O:8])[CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=1[C:30]([F:33])([F:32])[F:31]

参加物

5

反応物 2

HCID 9321HydrazineHCID 581729142-chloro-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-1-methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxamide

生成物 1

HCID 24997128N-((1S)-2-amino-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-2-chloro-1-methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxamide収率 59.1%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of 2-chloro-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-1-methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxamide (125 mg, 0.22 mmol) in tetrahydrofuran (1.1 ml) and methanol (1.1 ml) at 25° C. was added hydrazine (0.06 ml, 1.76 mmol) dropwise. After 12 h the solution was concentrated, dry loaded onto silica and purified by column chromatography (2% MeOH in DCM (1% NH4OH)). The free base was transferred to the HCl salt by addition of excess 2M HCl in Ether (20 ml) to the residue in DCM (40 ml) affording the HCl salt of N-((1S)-2-amino-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-2-chloro-1-methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxamide (70 mg, 0.13 mmol, 57% yield) as a white solid: LCMS (ES) m/z=440, 442 (M, M+2)+, 1H NMR (400 MHz, DMSO-d6) δ ppm 8.17 (d, J=9.09 Hz, 1 H) 8.08 (br. s., 2 H) 7.69 (d, J=8.08 Hz, 1 H) 7.58 (br. s., 1 H) 7.57 (d, J=2.02 Hz, 1 H) 7.40-7.43 (m, 1 H) 7.02 (s, 1 H) 6.48 (d, J=2.02 Hz, 1 H) 4.50-4.57 (m, 1 H) 3.78 (s, 3 H) 3.44 (s, 3 H) 2.98-3.07 (m, 4 H).

後処理

  1. concentrationAfter 12 h the solution was concentrated
  2. customdry loaded onto silica
  3. custompurified by column chromatography (2% MeOH in DCM (1% NH4OH))
  4. additionThe free base was transferred to the HCl salt by addition of excess 2M HCl in Ether (20 ml) to the residue in DCM (40 ml)

出典と根拠

ORDレコード
ord-8312680d4ef44d21ab53d54665437948
出典データセット
uspto-grants-2013_04
特許番号
US08420690B2

反応ノート

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